709258493 has 2 divisors, whose sum is σ = 709258494. Its totient is φ = 709258492.

The previous prime is 709258483. The next prime is 709258499. The reversal of 709258493 is 394852907.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 662650564 + 46607929 = 25742^2 + 6827^2 .

It is an emirp because it is prime and its reverse (394852907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 709258493 - 2¹⁰ = 709257469 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (709258499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354629246 + 354629247.

It is an arithmetic number, because the mean of its divisors is an integer number (354629247).

Almost surely, 2^709258493 is an apocalyptic number.

It is an amenable number.

709258493 is a deficient number, since it is larger than the sum of its proper divisors (1).

709258493 is an equidigital number, since it uses as much as digits as its factorization.

709258493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 709258493 is about 26631.9074232395. The cubic root of 709258493 is about 891.8014654136.

The spelling of 709258493 in words is "seven hundred nine million, two hundred fifty-eight thousand, four hundred ninety-three".